The greater blue-ringed octopus (Hapalochlaena lunulata) is about 12 centimetres long including its arms. This species prefers the shallows, up to 20 metres deep. It has been found in the waters ...

Did you know octopuses are highly intelligent animals with the ability to problem-solve complex puzzles – and even change ...

The octopus could be seen floating into view ... technology hitting the animal despite its “completely blue background.” The deep-sea octopus with large ear-like fins protruding from its ...

The Deepest-Diving Octopus Ever Recorded Was Just Spotted in the Pacific ©Graneledone octopus. Image by NOAA OKEANOS Explorer Program , 2013 ROV Shakedown and Field Trials, Public domain, via ...

The octopuses also have a single line of about 65-68 suckers along each arm. These are flanked by hair-like projections called cirri. This places them in the deep-sea cirrate octopus group, which is ...

But while other octopus species have evolved longer mating arms that allow them to maintain a safe distance during copulation and avoid this fate, blue-lined octopuses have a comparatively short ...